IBM Eserver xSeries 360 Type 8686, User Reference Manual

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IBM® xSeries 360: User’s Reference
The following table describes the ac and dc power LEDs on a power supply.
AC power LED DC power LED Description and action
On On The power supply is on and operating correctly.
On Off Either the power-control button on the operator
information panel has not been pressed, or there is a dc
power problem.
Possible causes:
1. The server is not turned on (the power LED is
blinking on the operator information panel).
Action: Press the power-control button to start the
server.
2. The power supply has failed.
Action: Replace the power supply.
If the problem remains, call for service.
Off Off There is an ac power problem.
Possible causes:
1. There is no ac power to the power supply.
Actions: Verify that:
• The electrical cord is properly
connected to the server.
• The electrical outlet functions
properly.
2. The power supply has failed.
Action: Replace the power supply.
If the problem remains, call for service.
Power supply 3
Power supply 2
Locking latch
Locking handle
AC power LED
DC power LED
Power supply 1